Question

Ina AABC right angled at B, which statement is true?
(a) x + y = 180° (b) x + y = 270º (c) x + y =300"

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Answer 1

solve: 3(1-3)=5(21+1)

Answer 2

$180 - x + 180 - y + 90 = 180$

$270 - (x + y) = 0$

$x + y = 270$

option (b) is correct